Optimizing the Search for High-z GRBs: The JANUS X-ray Coded Aperture Telescope

Optimum Acceptance Regions for Direct Dark Matter Searches

Optimum estimate of delays and dispersive effects in low-frequency interferometric observations

Orbit Mode observations of Crab and Mrk 421

Orbital structure in barred spiral galaxies

Order statistics and heavy-tail distributions for planetary perturbations on Oort cloud comets

ORIGIN: Metal Creation and Evolution from the Cosmic Dawn

OTELO survey: optimal emission-line flux determination with OSIRIS/GTC

Over-resolution of compact sources in interferometric observations

p3d: a general data-reduction tool for fiber-fed integral-field spectrographs

PACCE: Perl Algorithm to Compute Continuum and Equivalent Widths

Paper II: Calibration of the Swift ultraviolet/optical telescope

Paper Productivity of Ground-based Large Optical Telescopes from 2000 to 2009

Paraiso : An Automated Tuning Framework for Explicit Solvers of Partial Differential Equations

Parallactic Motion for Companion Discovery: An M-Dwarf Orbiting Alcor

Parallelizing the XSTAR Photoionization Code

Parameter distributions of Keplerian orbits

Parameter Estimation with BEAMS in the presence of biases and correlations

Parametrization of the Cosmic Muon Flux for the Generator CMSCGEN

Parametrized post-post-Newtonian analytical solution for light propagation